1. In the saved WPS table, click the Cancel button above.
2. Each click can cancel the operation and return to the previous state.
The number of times to undo extended data can be customized between 30- 1024 steps.
Click WPS in the upper left corner to enter "Options" and operate under "Edit".
You can enter the desired number of operations.
Source: WPS official website: How many times can a * * * be revoked?